GB20557-2006
Frozen semen of goat
山羊冷冻精液
GB 20557-2006 is a current mandatory Chinese national standard for Frozen semen of goat. It appears in the Food compliance cluster with a product safety focus and has an implementation date of Dec 1, 2006.
Applicability depends on product scope, certification route, competent authority notices and transition rules. Requst for the translation or verify source before using this record in a compliance decision.
Compliance overview
Scope and applicability
This standard applies to frozen semen of goats (hereinafter referred to as "frozen semen"). It specifies the naming, technical requirements for breeding rams, fresh semen, and frozen semen, as well as sampling, test methods, and judgment rules. This standard is mandatory for all manufacturers and suppliers of goat frozen semen in China. It is primarily relevant to the animal husbandry industry and livestock breeding facilities.
Technical requirements
Chapter 4 of this standard is mandatory and outlines the core technical requirements. It specifies health and genetic requirements for breeding rams, ensuring they are free from specific Class B epidemic diseases. For fresh semen, the standard sets limits on color, sperm motility, density, and abnormality rates. Regarding the frozen product, the standard defines appearance criteria for both straws and pellets, requiring no cracks and uniform size. Post-thaw requirements are strictly regulated, including minimum thresholds for sperm motility, progressive motility sperm count, and maximum limits for abnormal sperm percentage and bacteria count. Annex C provides informative guidelines on the production procedures and usage of the frozen semen.
Testing methods
The standard outlines specific testing methods, primarily detailed in the normative Annex A. Key tests include visual inspection for appearance defects, and post-thaw evaluations such as sperm motility check (using a microscope at 38°C), progressive motility sperm count (using a hemocytometer), abnormal sperm percentage (via Giemsa staining), and bacteria count (using nutrient agar medium cultivation). Manufacturers must conduct routine inspections per production batch and periodic type inspections to ensure compliance.
FAQs
What products are regulated under GB 20557-2006?
It regulates frozen semen of goats, including both straw and pellet forms, used for artificial insemination in the livestock breeding industry.
Is GB 20557-2006 a mandatory standard?
Yes, Chapter 4 of the standard, which covers the core technical requirements for breeding rams, fresh semen, and frozen semen, is mandatory.
What are the key post-thaw parameters specified?
The standard sets minimum requirements for post-thaw sperm motility and progressive motility sperm count, as well as maximum limits for sperm abnormality rate and bacteria count.
The summary above provides a high-level overview of GB 20557-2006. To ensure complete compliance for your products entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 20557-2006 today to access all detailed parameters, tables, and testing procedures.
Applicability hints
- Type
- Product
- CCS
- B43
- ICS
- 65.020.30
- Competent department
- Ministry of Agriculture and Rural Affairs
- Technical committee
- Ministry of Agriculture and Rural Affairs
Relationships
Replaced by:GB 20557-2025 (Upcoming)